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(Netter Basic Science) Frank H. Netter - Atlas of Human Anatomy-Elsevier (2018)

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Anatomy of Toenail

8

Proximal nail fold

Cuticle

Lunula

Lateral nail fold

Nail plate

Free edge of nail

Fibrous attachments

of bone

Distal phalanx

of great toe

Hyponychium

Distal groove

Section of toe

Dorsal nail plate

Intermediate nail plate

Ventral nail plate

Fibrous attachment

of bones

Nail matrix

Eponychium

Lateral nail groove

Distal phalanx

of great toe

Cross section of toenail

Toenail growth

The average growth rate of

toenails is about 1 mm a month.

The rounded shape of the free

edge of the nails is dictated by

the shape of the lunula. After

avulsion of a nail, the free edge

of the new one grows parallel to

the lunula.

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